In this science experiment we will turn milk into a solid and make a batch of plastic milk! We will
use skim milk and vinegar to create our concoction.

•skim milk
•white vinegar
•microwave proof bowl

Process For Make Plastic Milk Experiment

1.I bet you've heard the nursery rhyme "Little Miss Muffet." Remember how she sat on her tuffet
eating her curds and whey? But, do you know what curds and whey are?
2.Here's a fun way to find out:
3.Check with a grown-up before you begin.
4.Add 4 teaspoons of white vinegar to 1 1/2 cups of skim milk.
5.Microwave the mixture for about a minute. If you're not allowed to use the microwave, be sure to
ask an adult to help you.
6.After a minute, the milk and vinegar will be separated into two parts, a
liquid and a solid.
7.Here's what happened to the milk. By adding the vinegar, you have created a chemical reaction
that separated the milk into two parts, a solid-the curds-and a liquid-the whey.
8.Now, when you stir the milk, the curds become a "blob."
9.When you strain the liquid off, you can make the blob into one big lump.
10.Let it cool off, and then you can play with it. It feels like rubber. The protein in the curds is what
makes it act like rubber.
11.You can form the blob into shapes. If you leave it out, it will harden.  

Now get your friends and do the make plastic milk experiment.

Plastic Milk
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